Solar Installation Cost in Washington DC, DC
Solar Installation in Washington DC, DC costs a median of $21,000, with the middle 50% of projects between $13,917 and $30,043. Based on 11,348 permits filed between January 2018 and April 2026 with DC Department of Buildings. Last recalculated August 21, 2026.
Sourced from 11,348 building permits on file with the City of Washington DC. Source: Washington DC Building Permits.
Types of Solar Installation Work in Washington DC
| Type | Typical cost | Range | Projects |
|---|---|---|---|
| Ground Mount | $45,000 | $2,400 - $77,000 | 79 |
| Roof Mount | $20,790 | $227 - $80,000 | 11,183 |
What Most Homeowners Paid
Each bar counts the projects filed in that price range.
| Price range | Projects |
|---|---|
| $2,400 to $7,203 | 500 |
| $7,203 to $12,006 | 1,259 |
| $12,006 to $16,809 | 1,683 |
| $16,809 to $21,612 | 1,909 |
| $21,612 to $26,415 | 1,562 |
| $26,415 to $31,218 | 1,294 |
| $31,218 to $36,020 | 836 |
| $36,020 to $40,823 | 528 |
| $40,823 to $45,626 | 368 |
| $45,626 to $50,429 | 293 |
You could save $6,300 on a typical solar PV system in this market by claiming the federal Investment Tax Credit on your tax return.
- Federal Solar Investment Tax Credit (ITC)30%
- Federal credit applies to systems placed in service through .
Net cost is the median permit value minus the credits above, with each percent credit capped at its statutory maximum. Credits are nonrefundable and require sufficient tax liability to claim. Utility-level rebates are not included. Sources: IRS Form 5695.
Featured Contractors in Washington DC
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Public record data. HomeQuotr does not alter, estimate, or interpolate permit values.
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Half of all projects cost less. Half cost more.